Tiknoolajiyada shaandhada Millimeter-mowjadda (mmWave) waa qayb muhiim ah oo ka mid ah awoodsiinta isgaarsiinta wireless-ka ee caadiga ah ee 5G, haddana waxay wajahaysaa caqabado badan oo ku saabsan cabbirka jireed, dulqaadka wax soo saarka, iyo xasilloonida heerkulka.
Dhanka isgaarsiinta wireless-ka ee 5G ee caadiga ah, diiradda mustaqbalka waxay u weecan doontaa isticmaalka mawjadaha ka sarreeya 20 GHz gudaha spectrum-ka mmWave si loo xoojiyo awoodda bandwidth-ka, ugu dambeyntiina kor loogu qaado heerarka gudbinta.
Waa la ogyahay in sababtoo ah soo noqnoqoshadooda sare iyo luminta wadada oo weyn awgeed, calaamadaha mmWave waxay u baahan yihiin anteenooyin yaryar. Anteenooyinkan waxaa loo kala saaraa si ay u sameeyaan anteenooyin cidhiidhi ah oo faa'iido sare leh.
Mid ka mid ah dhibaatooyinka ugu waaweyn ee naqshadeynta shaandhada ayaa ah la qabsiga cabbirrada anteenada, gaar ahaan shaandheeyayaasha soo noqnoqda sare leh. Intaa waxaa dheer, dulqaadka wax soo saarka iyo xasilloonida heerkulka ee shaandheeyayaasha ayaa si weyn u saameeya dhinac kasta oo ka mid ah naqshadeynta iyo wax soo saarka badeecada.
Xaddidaadaha Cabbirka ee Tiknoolajiyadda mmWave
Nidaamyada taxanaha anteenada dhaqameed, farqiga u dhexeeya walxaha waa inuu ka yar yahay kala bar hirarka (λ/2) si looga fogaado faragelinta. Mabda'ani si isku mid ah ayuu u khuseeyaa anteenooyinka qaabaynta 5G. Tusaale ahaan, anteenada ka shaqeysa xarigga 28 GHz waxay leedahay kala fogaansho curiye ah oo qiyaastii ah 5 mm. Sidaas darteed, qaybaha ku jira safka waa inay aad u yar yihiin.
Arraysyada marxaladda leh ee loo adeegsado codsiyada mmWave badanaa waxay qaataan naqshad qaab-dhismeed qorshaysan, sida hoos ku cad, halkaas oo anteenooyinka (meelaha jaalaha ah) lagu dhejiyo looxyada wareegga daabacan (PCBs) (meelaha cagaaran), iyo looxyada wareegga (meelaha buluugga ah) si toos ah loogu xiri karo looxyada anteenada.
Booska ku yaal looxyada wareegyadan ayaa durba yar, laakiin teknoolojiyada soo ifbaxaysa ayaa sahaminaysa qaab-dhismeedyo siman oo aad u yar, taasoo macnaheedu yahay in shaandheeyayaasha iyo baloogyada kale ee wareegyada ay u baahan yihiin inay aad uga yar yihiin si toos loogu dhejiyo dhabarka PCB-ga anteenada.
Saamaynta Dulqaadka Waxsoosaarka ee Shaandheeyayaasha
Marka la eego muhiimadda shaandheeyayaasha mmWave, dulqaadka wax soo saarku wuxuu door muhiim ah ka ciyaaraa, isagoo saameeya waxqabadka shaandhada iyo kharashka labadaba.
Si aan u sii baarno arrimahan, waxaan isbarbar dhignay saddex hab oo kala duwan oo wax soo saarka shaandhada 26 GHz ah:
Shaxda soo socota waxay qeexaysaa dulqaadka xad-dhaafka ah ee caadiga ah ee laga helo wax soo saarka:
Saamaynta Dulqaadka ee Shaandheeyayaasha Microstrip PCB
Sida hoos ku sawiran, naqshad shaandhada microstrip ah ayaa la soo bandhigay.
Qaab-dhismeedka naqshadeynta waa sida soo socota:
Si loo barto saameynta dulqaadka ee shaandhadan yar yar ee PCB, siddeed dulqaad oo aad u daran ayaa la doortay, taasoo muujinaysa kala duwanaansho la taaban karo.
Saamaynta Dulqaadka ee Shaandheeyayaasha Stripline PCB
Naqshadda shaandhada xariiqda, ee hoos lagu muujiyey, waa qaab-dhismeed toddobo marxaladood ah oo leh looxyo dielectric ah oo 30 milyan oo RO3003 ah oo sare iyo hoose ah.
Wareeggu wuu ka yar yahay qoto dheer yahay, isku-dhafka leydiga ahna wuu ka hooseeyaa kan microstrip-ka sababtoo ah maqnaanshaha eber meel u dhow band-ka, taasoo keentay waxqabad aan fiicnayn oo iswaafajin ah oo ku yimaada mawjadaha fog.
Sidoo kale, falanqaynta dulqaadku waxay muujinaysaa xasaasiyad ka wanaagsan marka loo eego khadadka microstrip.
Gunaanad
Si isgaarsiinta wireless-ka ee 5G ay u gaarto xawaare ka dhakhso badan, tignoolajiyada shaandhada mmWave ee ka shaqeysa 20 GHz ama ka sareeya ayaa lagama maarmaan ah. Si kastaba ha ahaatee, caqabado ayaa weli jira marka la eego cabbirka jireed, xasilloonida dulqaadka, iyo dhibaatooyinka wax soo saarka.
Sidaa darteed, saameynta dulqaadka ee naqshadaha waa in si taxaddar leh looga fiirsadaa. Waa iska cad in shaandheeyayaasha SMT ay muujiyaan xasillooni ka weyn shaandhooyinka microstrip iyo stripline, taasoo soo jeedinaysa in shaandheeyayaasha dusha sare ee SMT ay soo bixi karaan doorashada ugu weyn ee isgaarsiinta mmWave ee mustaqbalka.
Concept, renowned for its expertise in RF filter manufacturing, offers a comprehensive selection of filters tailored to meet the unique requirements of 5G solutions. As a professional Original Design Manufacturer (ODM) and Original Equipment Manufacturer (OEM), Concept provides an extensive RF filter list for reference, ensuring compatibility and optimal performance for diverse 5G applications. To explore the available options, please visit their website at www.concept-mw.com . For further inquiries or to discuss specific project needs, feel free to contact the sales team at sales@concept-mw.com.
Waqtiga boostada: Luulyo-17-2024